Acts 2:21
And it shall come to pass, that whosoever shall call on the name of the Lord shall be saved.

Concordance meanings:

Call on – to permit one's self to be surnamed, to be named after someone, appeal

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Acts 13:39
And by him all that believe are justified from all things, from which ye could not be justified by the law of Moses.

Concordance Meanings:

Justified - rendered righteous, freed, declared to be righteous

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